The man will have to wait all day _______ the doctor works faster.
#74633
A
if
B
unless
C
whether
D
that
推荐题目
his father has been away for more than one year, John can still keep doing what he needs to.
#67708
A
While
B
When
C
As
D
Whether
The argument remains extremely heated there are necessary conditions of existence such as water on the Mars.
#71649
A
that
B
whether
C
if
D
which
The boys are still playing basketball happily on the court ______ it is raining heavily.
#68540
A
in case
B
even though
C
as if
D
as long as
They develop their skills _________ they can do things better and better.
#41374
A
however
B
because
C
since
D
so that